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Page 4+: 60 results shown for O2.

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Re: O2 Sensor?
Historical mailing list - Ken Lewis
Fri, 1 May 2009 07:35:53 -0400
...Re: [VANAGON] O2 Sensor? > O2 sensor should remain connected and be up to operating temp for > monitoring output voltage. a high impedance volt meter...
Re: O2 Sensor in Catalytic Converter - Correct model for each FI system ?
Historical mailing list - jimt
Mon, 25 Apr 2005 17:07:57 -0600
...Many O2 sensors are "tuned" to work within a range that determines where the mfr sticks them in the line. They have specific temperature...
Re: Generic O2 Sensor
Historical mailing list - Mark Keller
Tue, 9 Jul 2002 12:26:57 -0700
Andrew, The Bosch O2 sensor is not a generic replacement, it is a Bosch Part for a Ford with the connector removed or not...
Re: O2 Sensor
Historical mailing list - Steven X. Schwenk
Sat, 6 Feb 1999 15:02:44 -0800
...harald_nancy wrote: > To remove the O2 sensor: > Drive the van till hot, then take a candle and stick it on the hot O2...
Re: OHM Readings for 1.9 injectors and o2 sensor
Historical mailing list - David Beierl
Sat, 16 Feb 2002 23:52:27 -0500
...supposed to be for the >injectors and the o2 sensor? Injectors are ~16 ohms. O2 sensor -- probably infinite i.e. many megohms unless you...
Re: 87 2.1 dies after 30 seconds
Historical mailing list - OlRivrRat
Sun, 1 Mar 2015 16:42:50 -0700
Kevin Well I think You are HeadedInTheRightDirection ~ Glad to hear that it is running ~ But ~ That HeavyishGreenWire is the O2Snsr SignalWire ~ The O2Snsr GroundWire...
Re: Drop in gas mileage update 2
Historical mailing list - John Rodgers
Fri, 5 Nov 2004 12:22:55 -0600
Interesting things about these O2 sensors. Potters have discovered the application of the automotive O2 sensor to the pottery business. In certain pottery operations...
Re: O2 sensor type problem after replacing O2 sensor
Historical mailing list - mark drillock
Fri, 28 Dec 2012 11:13:15 -0800
The O2 heater is powered by the FP relay in 1990 so it should be heating whenever the engine is running. The ECU watches...
Re: Oxygen Sensors
Historical mailing list - Tom Young
Thu, 3 Jul 1997 14:32:26 -0700 (PDT)
On Thu, 3 Jul 1997, Craig Rogers wrote: > I'm wondering if there is a way to check an O2 sensor to see if...
Re: 87 2.1 dies after 30 seconds
Historical mailing list - Steven Johnson
Fri, 27 Feb 2015 15:54:51 -0800
Agreeing with Mark, O2 sensor. Had similar issue with my 91 and a replacement O2 sensor fixed it. Steven 91 Westy On Fri, Feb...
Re: Where's my O2 sensor - 1988 Weekender
Historical mailing list - VWNut Hawk
Wed, 24 Dec 2003 12:20:25 -0600
...There should be an O2 sensor in the same place as the 84's right?
87 Vanagon hesitation continues
Historical mailing list - Kay O Fremgen
Mon, 10 Aug 1998 01:40:45 -0400
Hi again, Original message below I have changed the O2 sensor and the problem persists. With sensor disconnected the van accelerates smoothly, with the...
Re: O2 sensor thread size? Helicoil kit part number?
Historical mailing list
Thu, 14 Oct 2004 07:29:05 -0400
...vanagon@GERRY.VANAGON.COM Subject: [VANAGON] O2 sensor thread size? Helicoil kit part number? Date: Wed, 13 Oct 2004 19:14:51 -0400 > Is...
Re: O2-sensor voltage problems '84 1.9L -- Help needed lead voltages!
Historical mailing list - Dennis Haynes
Tue, 23 Aug 2011 23:26:32 -0400
The O2 sensor is a bit unique in that it actually produces voltage-current. Most other sensors change resistance, capacitance, or inductance based on...
Re: running problems, 2.1
Historical mailing list - Al and Sue Brase
Wed, 18 Jan 2006 20:35:42 -0600
Thanks, but I already unhooked the O2 sensor. I'm suspecting bad ground connections at multiple locations. Al J Roth wrote: > Gotta give credit...
Re: Did the mechanic do something?
Historical mailing list - Charles McGehee
Wed, 30 Aug 2006 21:15:12 -0700
...I'll have a gander at the O2 sensor in the morning. It's puzzling, though, in the past when I've had O2...
Re: O2 sensor prices?
Historical mailing list
08 Jul 97 09:49:21 PDT
Karl - I just purchased a genuine Bosch O2 sensor for $29. It came with a half installed splice connector and shrink wrap. The expensive...
Re: More ECU questions
Historical mailing list - joe brown
Tue, 26 Nov 2002 17:25:52 -0800
...My O2 sensor input has .5 default until the O2 sensor heats up and it generates a signal above .5. So when you hook...
ECU or O2 sensor ?
Historical mailing list - Roger Van Till
Thu, 26 May 2005 20:47:03 -0400
...The black wire to the O2 sensor was unplugged to fix the problem. I plugged it back in to see what the deal was...
Re: [T2] Air-cooled Federal EGR filter and SMOG
Historical mailing list - Jake Beaulieu
Fri, 4 May 2007 19:52:13 -0400
"Federal's had no O2 sensor and even though I added a bung the O2 readings have been unreliable" Hey Tom, I also welded...
Re: idle fuel calculations
Historical mailing list - Gregory Smith
Sun, 25 Nov 2007 20:49:12 -0800
Actually the TPS cuts the O2 sensor out of the loop at idle and WOT. The dancing O2 sensor reading is what the sensor...
Re: Inconsistent stumbling on resume throttle..Was "vanagon syndrome?"
Historical mailing list - Karl Wolz
Wed, 25 Jun 2014 10:17:41 -0700
...Karl Wolz |-----Original Message-----|The 3 wires are: | |positive, negative for O2 heater and "signal" (voltage output) to ECU. | |I gather the O2 heater...
Re: Catalytic convertor
Historical mailing list - Paul M. Hillbish
Tue, 23 Jan 2001 23:43:17 EST
In a message dated 1/23/01 9:46:39 AM Eastern Standard Time, keith_adams@transcanada.com writes: << It affects the O2 sensor...
Re: O2 sensor. How does it effect performance?
Historical mailing list - John Connolly, Aircooled.Net
Sun, 20 Jun 2004 19:14:19 -0600
Marshall, Under certain conditions the FI system runs on "open loop" mode, which means it ignores the O2 sensor. Under other conditions, it runs...
[tip request] Testing the O2 Sensor
Historical mailing list - Fryday
Wed, 10 Jul 2002 12:49:20 -0700
Anyone know a good quick test to see if the O2 sensor is dead (or dying)? Thanks! Philippe
O2 voltage when cold
Historical mailing list - James Creech
Mon, 18 Dec 2000 16:36:19 -0500
Anyone with a Digitool or who has otherwise measured the voltage the O2 sensor puts out at cold idle (first start up)? I am...
Re: Ground for o2 sensor and ECU
Historical mailing list - Mark Drillock
Fri, 27 Apr 2007 09:53:59 -0700
Keep the O2 sensor ground separate and on the engine! Connecting it's ground to other grounds creates the possibility that voltage returning to...
O2 Sensor Fix
Historical mailing list - Tabe Johnson
Wed, 28 Mar 2007 18:17:24 -0400
Hi Jeff, Your solution to mounting an O2 sensor is fine. Ideally you want to mount it as close to the stock location as...
Re: Vanagon O2 Sensors
Historical mailing list - Ken Ehlert
Thu, 16 Jul 1998 21:27:01 -0500
My '85 is running better with the O2 sensor disconnected. I have a problem at idle and when accelerating from a stop when the...
Re: 1.9 L engine 10mpg
Historical mailing list - Jeffrey Schwaia
Sun, 12 Dec 2004 12:05:35 -0800
...I have seen many O2 sensors cause extreme rich conditions. Easiest way to diagnose this is to unplug the O2 sensor and drive the...
Re: 87 2.1 dies after 30 seconds
Historical mailing list - Abel Longoria
Sun, 1 Mar 2015 19:25:52 -0600
...It was in fact the O2 sensor ground wire (green slightly > larger gauge wire). Someone had mistakenly plugged it into the unused spade > connector...
Fwd: O2 Sensor problem
Historical mailing list - David Beierl
Mon, 23 Mar 2020 05:26:39 -0400
...vanagonlist a <vanagon@gerry.vanagon.com> Rarely will an O2 sensor go over 1 volt so what happens is that even after > the O2...
O2-sensor results with digital voltmenter
Historical mailing list - John Lauterbach
Thu, 22 Dec 2011 16:48:56 -0500
...Voltmeter +-lead connected to lead from O2-sensor, -lead on bumper. Engine not run for three hours and O2-sensor not connected to lead...
How do I reset the O2 sensor light?
Historical mailing list - Steve Elfelt
Sun, 15 Aug 1999 13:39:35 -0400
Subject says it all! How do I reset the O2 sensor light? ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Steve, 84 Vanagon [text/html]
faq for adjusting CO with O2 sensor???
Historical mailing list - Robert Zezoff
Sat, 15 Jul 2000 07:09:44 -0700
Does anyone have a faq or instructions on how to adjust their CO using the O2 sensor??? TIA
O2 Meter
Historical mailing list - Mark Johnson
Fri, 28 Mar 2003 15:27:07 -0800
Looking for a Ken Lewis who knows about an O2 meter mounted on the dash. Please contact me. Mark Johnson mpmjjkauai@adelphia.net
Re: O2 sensors brand quality difference?
Historical mailing list - raceingcajun
Sun, 27 Jul 2014 11:30:54 -0500
...Re: [VANAGON] O2 sensors brand quality difference? >Unfortunately the Waterboxer doesn’t lend itself to this method. >Interesting. Not to side track, but on...
Generic, three wire, O2 Sensor choice for digifant?
Historical mailing list - kenneth d lewis
Wed, 30 Jun 1999 14:42:58 EDT
Greetings and salutations; My FLAPS does not carry a specific O2 sensor for my 86. What other vehicle's O2 sensor will cross over...
AFC Tweaking
Historical mailing list - Jay L Snyder
Mon, 26 Mar 2001 12:24:13 -0500
...I tied in the voltmeter to read what the O2 sensor is feeding to the FI. I started by moving 4 notches leaner (clockwise...
Re: 89 MYSTERY problem!!
Historical mailing list - John
Fri, 13 Oct 2006 21:30:33 -0400
Man, that was an excellent explanation of how the ecu reacts to the O2 sensor. John ----- Original Message ----- From: "Mark Drillock" <drillock@EARTHLINK.NET...
Re: oxs light
Historical mailing list - Dave Baker
Sun, 22 Sep 2002 23:20:05 -0500
All this talk about O2 sensors -- When I got my van 2 years ago, the O2 sensor was disconnected and remained disconnected up until...
'89 Westy Speedo questions
Historical mailing list - Stephen Jones
Mon, 2 Mar 1998 08:59:04 -0700
...It has a single speedo cable with no O2 light box, and no O2 light on the instrument panel. Bentley implies that all US...
cheap new o2 sensor
Historical mailing list - vwghost
Sat, 1 Dec 2001 14:53:21 -0500
has anyone that has done a I-4 conversion found any where that i could get a new cheap o2 sensor? Darrel
060412 smog tests
Historical mailing list - Greenamyer, William L
Wed, 12 Apr 2006 05:25:02 -0700
...Replacing exhaust pipes (1-3 pipe, 2-4 pipe and Y-pipe all cracked) Plugs (trying platinum, single electrode) Distributor cap Rotor O2 sensor...
Re: 1000 mile rebuild recommendations?
Historical mailing list - Michael Diehr
Tue, 8 Aug 2006 16:06:31 -0700
...The rebuild shop told me to run w/o the O2 sensor, the other shop totally missed the fact that the O2 sensor was...
Re: More O2 Sensor confusion...
Historical mailing list - Larry Alofs
Tue, 6 Mar 2001 19:28:02 -0600
...Symptoms > >returned with the new properly installed o2 sensor. > > An exhaust leak that lets oxygen into the exhaust system will cause the o2 sensor...
89 MYSTERY problem!!
Historical mailing list - Mark Drillock
Fri, 13 Oct 2006 15:20:18 -0700
Your problem is at least related to the O2 sensor. That does not have to mean the sensor is bad and replacing the sensor...
RE: O2 sensor price.
Historical mailing list - Don Gibbons
Tue, 8 Jul 97 10:01:00 -0500
The generic O2 sensors (made by Bosch) are every bit as good as the exact part except that they do not have the connector...
Re: O2 Sensors
Historical mailing list - Stan Wilder
Fri, 30 Sep 2005 12:48:34 -0500
...There is a recommended retrofit of the O2 sensor in Porsche cars, I think about 82-92. Originally they came with a single wide...
Re: O2 sensor in gutted cat question
Historical mailing list - T Collins
Thu, 24 Sep 2009 12:02:07 -0400
What did this O2 sensr shields look like? Thanks, Tony -- 82 Scirocco "Rodolfo" 85 Vanagon "El Guapo" 90 Fuji Ace
Re: CIS-E FUEL INJECTION BAD O2 sensor TEST , LVC
Historical mailing list - Craig Oda
Wed, 14 Jul 2004 14:01:53 -0700
...Anyone know what symtoms a bad O2 > sensor in this system would cause? I > put an digital volt measer on the O2 sensor > and...
Re: O2-senser voltage testing
Historical mailing list - Tom Young
Sat, 23 Apr 2005 15:06:30 -0700
More precisely, a plot of the voltage output of the O2 sensor vs. richness is roughly an "S" shaped curve with the middle section...
Re: O2 Sensors
Historical mailing list - Wil Haslup
Fri, 30 Sep 2005 11:36:55 -0400
...Bosch brand of O2 sensors? > (These seem to be the only two direct-fit replacements) > > Has anyone ever heard of "retraining the computer" for...
Re: New O2 Sensor and engine dies
Historical mailing list - Mark McCulley
Sat, 27 Jun 1998 15:09:39 -0700
...Did you do anything else while changing the O2 sensor? If so, double check that work--might not be the O2 sensor after all...
Re: Significance of the o2 sensor
Historical mailing list - Laurence Smith
Thu, 20 May 2004 00:43:03 -0400
To test the O2 sensor get the engine warmed up and then with a voltmeter touch the red + positive to the green O2 wire...
Re: O2 sensor and CO adjustment
Historical mailing list - Tom Young
Wed, 13 May 1998 16:11:38 -0700
...The first generation of FI on the Vanagons didn't have an O2 sensor; if the car was setup properly, and nothing changed, then...
Re: sensor not hot enough
Historical mailing list - Tim Demarest
Thu, 16 Feb 2006 13:15:50 -0500
Geza, It sounds like your electronics (and your electronic troubleshooting skills) are in good order, new O2 sensor, sure and solid grounding., new TempII...
Engine o2 out of spec
Historical mailing list - Dennis Bergey
Thu, 9 Nov 2000 20:34:26 -0800
...by the book you disconnect o2 sensor with engine off, start engine and adjust as necessary then shut off reconnect o2 restart engine and...
Re: Removing Oxygen Sensor tips needed, broken O2 sensor cause backfire?
Historical mailing list - Zoran Mladen
Tue, 23 Sep 2003 05:26:44 -0700
...I don't believe a disconnected O2 sensor will cause these problems. I have been running with a disconnected O2 sensor on my 84...
Re: Engine o2 out of spec
Historical mailing list - kenneth d lewis
Fri, 10 Nov 2000 17:26:22 EST
...by the book you disconnect o2 sensor >with >engine off, start engine and adjust as necessary then shut off >reconnect o2 >restart engine and...